Which of the following is not a phenomenon usually associated with sunspots?

solar photosphere

a hole in the granulated photosphere

production of 7Be

rotation

solar cycle

starspots

flip-flop cycle

16

Complete the text:

"When a prominence is viewed from a different perspective so that it is against the

instead of against space, it appears

than the surrounding

.

17

True or False, In 1947, G. E. Kron proposed that starspots were the reason for periodic changes in brightness on blue dwarfs.

TRUE

FALSE

18

Which of the following is not a phenomenon associated with a flip-flop cycle?

active regions

hemisphere shifts

binary RS CVn stars

single stars

cyclical period

meridian passage

19

A Mt. Wilson spot number usually corresponds with which other region number?

20

True or False, Hale region numbers are greater for the same regions than NOAA numbers.

TRUE

FALSE

21

Which of the following sunspot phenomena are associated with the Maunder minimum?

extensively long quiet Sun

lowest 14C concentration from as far back as 1100 BP.

a period of lower-than-average European temperatures

a surface coverage of about 88%

only about 50 sunspots during one 30-year period

11-year cycles

22

Solar observation is performed all around the surface of the Earth by?

23

True or False, The Kodaikanal Solar Observatory is a solar observatory owned and operated by the Indian Institute of Astrophysics.

TRUE

FALSE

24

Which of the following are phenomena usually associated with a heliostat?

geographic coordinates

a mirror which turns so as to keep reflecting sunlight toward a predetermined target

the target is usually stationary

computer control

a two-axis motorized system

altitude

25

Naked spots are long-lived and show rotation rates close to what?

26

True or False, Helicity (H) is a quantitative measure of the chiral properties of the structures observed in the solar atmosphere.

TRUE

FALSE

27

Which of the following are associated with the Sun control group?

rocky objects

gaseous objects

plasma objects

a photosphere

rotation

watery surface

spots

28

The relative abundances of solar cosmic rays reflect those of the solar

29

True or False, The surface of the Sun is a known source of neutrons.

TRUE

FALSE

30

Which of the following are characteristic of solar proton astronomy?

the solar wind

polar coronal holes

protons originating from the photosphere

the electron neutrino

GOES 11

neutrons

31

Using a coordinate system, sunspot passage is generally noted by what meridian?

32

True or False, "75% of the naked sunspots represented the return of large dominant f spots which had been part of large active regions during previous rotations."

TRUE

FALSE

33

Which geographical phenomena are associated with sunspots?

moving across the surface of the Sun

manifesting intense magnetic fields

a north geographic and magnetic pole

rotation

a prime meridian

average sunspot latitudes

the solar equator

34

Neutrinos detected from the solar octant may be from nucleosynthesis within the coronal cloud in the near vicinity of the Sun or perhaps from nucleosynthesis occurring within what theoretical interior structure of the Sun?

35

True or False, X-ray photons can be effectively backscattered by photosphere atoms and electrons.

TRUE

FALSE

36

Phenomena associated with the color index?

a simple numerical expression

the magnitude of an object

a set of passbands or filters

brightenings

UBVRI filters

particular combinations of glass filters and photomultiplier tubes

37

The Na I green lines at 568.2 and 568.8 nm arise in the what?

38

True or False, Stars of spectral classes F and G, such as our sun, have color temperatures that make them look "greenish".

TRUE

FALSE

39

Which of the following are photospheric observatories on Earth?

Chandra X-ray Observatory

Big Bear

TRACE

Kodaikanal

the Hubble

Lomnický štít

McMath-Pierce

SOFIA

40

Sayan Observatory is located in.

41

True or False, Some observed properties of the Sun still defy explanation, such as the degree of Li depletion: the solar Li abundance is roughly a factor of 200 below the meteoritic abundance.

TRUE

FALSE

42

Which of the following are associated with the McMath-Pierce Solar Telescope?

a launch location

Kitt Peak National Observatory

a heliostat

a distinctive diagonal shaft that continues underground

a theoretical resolution of 0.07"

NOAA designations

43

The metallicity is often expressed as "[Fe/H]", which represents the what of the ratio?

44

True or False, Heliognosy is the composition of the Sun.

TRUE

FALSE

45

Which of the following observatories are solar observatories?

The Huairou Solar Observing Station in China

Mauna Loa Solar Observatory

Los Alamos National Solar Laboratory

National Solar Observatory

Mees Solar Observatory

CERN

46

About one third of ejecta observed by satellites at Earth is composed of what?

47

True or False, A spotless flare may occur in a plage region during its first rotation.

TRUE

FALSE

48

Which of the following are solar observatory satellites?

Einstein Observatory

OSO 7

Hinode

High Energy Astronomy Observatory 1

Koronas-Foton

STEREO

49

Suborbital solar probing may be accomplished from different geographical locations using?

50

True or False, The Mauna Kea Observatories are used for scientific research across the electromagnetic spectrum from visible light to radio, and comprise the largest such facility in the world.

TRUE

FALSE

51

Which series of emission lines from hydrogen occur in the visible spectrum of the Sun?

Paschen series

Brackett series

Pfund series

Lyman series

Humphreys series

Rydberg series

Balmer series

52

True or False, Helium does not occur in the photosphere because it was first detected during a solar eclipse.

TRUE

FALSE

53

Which of the following phenomena are associated with the core of the Sun?

origin of the magnetic field

the convection zone

the tachocline

Solar neutrinos

radiative zone

gamma-rays

54

True or False, Heliography is the geography of the Sun.

TRUE

FALSE

55

Which of the following are green radiation astronomy phenomena associated with the Sun?

the color of the upper rim as seen from Earth

an excess brightness at or near the edge of the Sun

the iron XIV green line

neutron emission

polar coronal holes

meteor emission

changes in the line-blanketing

56

True or False, The Sun has a net positive charge on its surface.

TRUE

FALSE

57

True or False, The Hβ emission line does not appear when the F492M filter is used on the Hubble Space Telescope because its wavelength is 486.1 nm.